#4140·Fooocus

[Bug]: Module not found "supervision" when using previous_old_xformers_env.7z

Author: fcpk-frCreated Jan 21, 2026Updated Jul 14, 2026
Labelsbugtriage

Checklist

  • The issue has not been resolved by following the troubleshooting guide
  • The issue exists on a clean installation of Fooocus
  • The issue exists in the current version of Fooocus
  • The issue has not been reported before recently
  • The issue has been reported before but has not been fixed yet

What happened?

This issue appears related to:

  • #3418

However the scenario applied here is after following troubleshooting guide to resolve "CUDA kernel errors might be asynchronously reported at some other API call"

Steps to reproduce the problem

  1. Performed clean install
  2. Faced the CUDA kernel errors might be asynchronously reported at some other API call
  3. Updated all drivers
  4. Followed troubleshooting guide and replace the python_embed forlder with previous_old_xformers_env.7z
  5. executed run.bat again
  6. Faced error below:

What should have happened?

Run.bat should have run error free.

What browsers do you use to access Fooocus?

Google Chrome

Where are you running Fooocus?

None

What operating system are you using?

Windows 11

Console logs

..

Additional information

No response